2015 Mercedes-Benz GL-Class · 2,223 MOT tests
2015 Mercedes-Benz GL-Class reliability
2015 Mercedes-Benz GL-Classs fail 15.2% of first MOT tests, 40% fewer MOT fails than the average car its age and mileage, ranking 5 of 5 GL-Class years (2,223 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz GL-Classs: 17.8%)
- 15.2%
- first-time fail rate (all Mercedes-Benz GL-Classs: 17.8%)
- fails than cars of the same age and mileage
- 40% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 8
- 68,939
- typical miles at its MOT, aged about 8
- MOT tests, 2022 to 2024
- 2,223
- MOT tests, 2022 to 2024
Year on year
2015 against the years either side
- 2014 cars: 51% fewer MOT fails than the average car its age (the 2015 car does worse)
- 2016 cars: 32% fewer MOT fails than the average car its age (the 2015 car does better)
- Weak spot: tyres, 7.6% of tests fail here (13% above cars of the same age and mileage).
- Strong point: brakes, 79% fewer fails than comparable cars.
- Plates: a 2015 car carries a 64 plate (January–February 2015), or a 15 plate (March–August 2015), or a 65 plate (September–December 2015).
Common problems
What fails on a 2015 Mercedes-Benz GL-Class
Fail rate by area
- Tyres7.6%
- Lights and electrics3.5%
- Exhaust, emissions and leaks2%
- Body, chassis and structure1.4%
- Brakes1.1%
- Number plates and VIN0.9%
- Seat belts and airbags0.8%
Average for cars of the same age and mileage
Top failures
Tyre tread below 1.6mm 2.43%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre ply or cords exposed 1.75%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
CV joint boot split or insecure 1.17%
A split CV boot lets dirt in and grease out, so the joint wears and may need full replacement.
Tyre cut reaching ply or cords 1.17%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Stop lamp not working 0.9%
A failed stop lamp means drivers behind cannot see when you brake, a safety risk that must be fixed.
Diesel engine warning light faulty 0.81%
A lit or non-working engine warning light can hide faults, so diagnosis is needed before buying.
Common advisories
Tyre worn close to legal limit (12.01%) · Brake pads wearing thin (5.08%) · Brake disc pitted or scored (3.87%) · Brake discs showing some wear (2.97%) · Tyre worn close to legal limit (2.83%) · Child seat limits belt inspection (2.52%)
Other years
Every Mercedes-Benz GL-Class year
The full picture: Mercedes-Benz GL-Class reliability. Before you pay for any Mercedes-Benz GL-Class, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2015 Mercedes-Benz GL-Class reliable?
2015 Mercedes-Benz GL-Classs fail 15.2% of first MOT tests, 40% fewer MOT fails than the average car its age and mileage, ranking 5 of 5 GL-Class years (2,223 DVSA tests, 2022 to 2024).
What fails on a 2015 Mercedes-Benz GL-Class MOT?
Most often tyre tread below 1.6mm (2.43% of tests), tyre ply or cords exposed (1.75% of tests), cv joint boot split or insecure (1.17% of tests).
How many miles should a 2015 Mercedes-Benz GL-Class have done?
At its MOT aged about 8, a typical 2015 Mercedes-Benz GL-Class shows 68,939 miles. Much higher or lower is worth asking about.
What plate is a 2015 car?
A car first registered in 2015 carries a 64 plate (January–February 2015), or a 15 plate (March–August 2015), or a 65 plate (September–December 2015).
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